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1984 USAMO Problems/Problem 3

Revision as of 11:33, 18 July 2016 by 1=2 (talk | contribs) (Created page with "== Problem == <math>P</math>, <math>A</math>, <math>B</math>, <math>C</math>, and <math>D</math> are five distinct points in space such that <math>\angle APB = \angle BPC = \a...")
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Problem

$P$, $A$, $B$, $C$, and $D$ are five distinct points in space such that $\angle APB = \angle BPC = \angle CPD = \angle DPA = \theta$, where $\theta$ is a given acute angle. Determine the greatest and least values of $\angle APC + \angle BPD$.

Solution

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See Also

1984 USAMO (Problems • Resources)
Preceded by
Problem 2 		Followed by
Problem 4
1 • 2 • 3 • 4 • 5
All USAMO Problems and Solutions

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